Shimano Sora FD-R3000 9-Speed Double 34.9/31.8/28.6mm Front Derailleur, only compatible with Sora R3000 2x left shifterShimano Sora FD R3000 Front Derailleurs Long arm front derailleur for reduced shifting effort Aluminum body with painted finish Chrome plated steel cage Product Specifics Drivetrain Speeds: 9 Double or Triple: Double Derailleur Capacity: 16 Front Der Shifter Compatibility: Shimano Road Front Derailleur Cable Pull: Bottom Pull Front Derailleur Clamp: 28. 6 (1 1 8") Front Derailleur Clamp: 31. 8 (1 1 4") Front Derailleur Clamp: 34. 9 (1 3 8") Front